What's Inside a Pufferfish?

What's inside a pufferfish? And what are pufferfish spines? What are blowfish spines? Are they bones? Or something else? In this video, we find out the answer by looking at a pufferfish skeleton, and comparing it to other fish like a piranha, and a silver bream. This video answers the questions: What are pufferfish spines? What are blowfish spines? What's inside a pufferfish? What's inside a blowfish? Are pufferfish spines bones? Are blowfish spines bones? How hard are pufferfish spines? Specimen use made possible by the University of Michigan Museum of Zoology Join this channel to get access to perks: https://www.youtube.com/channel/UCSz8X-JAmenxLH-uXlgVaCg/join